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How-To Geek

Finger

Finger, also frequently called Name, is a simple network protocol used for the exchange of user status and contact information. Introduced in the 1970s, it was used to locate other users on a given computer network and see if they were logged in and/or available. While historically significant, its use declined steadily into the 1990s, as security concerns, other venues of contact information sharing, and incompatibility with NAT-based routing (such as commonly found in home and corporate routers) quickly made Finger an unattractive communication tool.

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